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Thu, 18 Sep 2025 13:53:32 -0600 From: Tom Tromey To: Simon Marchi Cc: Tom Tromey , simon.marchi@polymtl.ca, gdb-patches@sourceware.org Subject: Re: [PATCH v2 4/4] gdb/dwarf: use dynamic partitioning for DWARF CU indexing In-Reply-To: (Simon Marchi's message of "Thu, 18 Sep 2025 15:46:31 -0400") References: <20250703200130.4095761-1-simon.marchi@polymtl.ca> <20250703200130.4095761-4-simon.marchi@polymtl.ca> <87tt0zftoq.fsf@tromey.com> X-Attribution: Tom Date: Thu, 18 Sep 2025 13:53:31 -0600 Message-ID: <87h5wzfsg4.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 97.122.110.68 X-Source-L: No X-Exim-ID: 1uzKhA-00000003aQW-1m1k X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 97-122-110-68.hlrn.qwest.net (bapiya) [97.122.110.68]:46982 X-Source-Auth: tom+tromey.com X-Email-Count: 15 X-Org: HG=bhshared;ORG=bluehost; X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfCJLmdb0l4jtglt9c3VJz2EXcPHpjqsKTXyio4tJnSVVZKN5uCPupHGmXh1m+l8J3WkvsmL+jVf1T5x/YQTV3vyPJ6T+qUI3hJOXD2tkwgPQmYimVtWY Ra4PQhCx1Vab/GTohF80n0e6CTuZf9EBChHb9wl3lh6+rJXRuHeXcikTX9p3z6WUyoHmbEhhcJsybP7FhAtr32bTr8+AbcfavQ4= X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org >>>>> "Simon" == Simon Marchi writes: Simon> Yeah, that's unfortunate. It's because Simon> std::atomic::iterator> won't work with Simon> -D_GLIBCXX_DEBUG. If I try to use iterators all the way, I get: Simon> /opt/gcc/15.2.0/include/c++/15.2.0/atomic:214:21: error: static assertion failed: std::atomic requires a trivially copyable type Simon> 214 | static_assert(__is_trivially_copyable(_Tp), Simon> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ Simon> Without _GLIBCXX_DEBUG, vector iterators boil down to just a pointer. Simon> But with _GLIBCXX_DEBUG, there is additional state. Simon> I still want to be able to use _GLIBCXX_DEBUG, it's pretty useful. Maybe a comment to this effect would be nice to have. thanks, Tom